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A195967 as a simple table

na(n)
12
22
325
4118
5417
6746
72906
810899
931616
1088860
11304443
121013184
133033869
149608917
1530808108
1697784400
17307889267
18971517454
193088012323
209793418941
2130915299775
2297797652156
23310274504503
24981649179185
253105621771879

[2,2,25,118,417,746,2906,10899,31616,88860,304443,
 1013184,3033869,9608917,30808108,97784400,
 307889267,971517454,3088012323,9793418941,
 30915299775,97797652156,310274504503,981649179185,
 3105621771879]